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145343551040 = 2654431025279
BaseRepresentation
bin1000011101011100100…
…1101001011001000000
3111220011020112101201222
42013113021221121000
54340130422113130
6150434144414212
713333514541212
oct2072711513100
9456136471658
10145343551040
1156704711126
1224203317368
131092395960c
14706b19c5b2
153ba9ddace5
hex21d7269640

145343551040 has 56 divisors (see below), whose sum is σ = 346880931840. Its totient is φ = 58006128128.

The previous prime is 145343551007. The next prime is 145343551049. The reversal of 145343551040 is 40155343541.

It is a super-2 number, since 2×1453435510402 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145343551049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370880 + ... + 654399.

Almost surely, 2145343551040 is an apocalyptic number.

145343551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145343551040 is an abundant number, since it is smaller than the sum of its proper divisors (201537380800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145343551040 is a wasteful number, since it uses less digits than its factorization.

145343551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025739 (or 1025729 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 145343551040 its reverse (40155343541), we get a palindrome (185498894581).

The spelling of 145343551040 in words is "one hundred forty-five billion, three hundred forty-three million, five hundred fifty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 443 886 1772 2215 3544 4430 7088 8860 14176 17720 28352 35440 70880 141760 1025279 2050558 4101116 5126395 8202232 10252790 16404464 20505580 32808928 41011160 65617856 82022320 164044640 328089280 454198597 908397194 1816794388 2270992985 3633588776 4541985970 7267177552 9083971940 14534355104 18167943880 29068710208 36335887760 72671775520 145343551040