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145299155288 = 2375348955241
BaseRepresentation
bin1000011101010010000…
…0010010100101011000
3111220001010222212012212
42013110200102211120
54340033040432123
6150425521054252
713332435304430
oct2072440224530
9456033885185
10145299155288
1156691648a21
12241b0487388
13109176b4041
1470653232c0
153ba606b878
hex21d4812958

145299155288 has 32 divisors (see below), whose sum is σ = 317229968160. Its totient is φ = 61096139520.

The previous prime is 145299155269. The next prime is 145299155327. The reversal of 145299155288 is 882551992541.

It is a happy number.

It is a super-2 number, since 2×1452991552882 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24474653 + ... + 24480588.

It is an arithmetic number, because the mean of its divisors is an integer number (9913436505).

Almost surely, 2145299155288 is an apocalyptic number.

It is an amenable number.

145299155288 is an abundant number, since it is smaller than the sum of its proper divisors (171930812872).

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

145299155288 is a wasteful number, since it uses less digits than its factorization.

145299155288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48955307 (or 48955303 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 59.

The spelling of 145299155288 in words is "one hundred forty-five billion, two hundred ninety-nine million, one hundred fifty-five thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 53 56 106 212 371 424 742 1484 2968 48955241 97910482 195820964 342686687 391641928 685373374 1370746748 2594627773 2741493496 5189255546 10378511092 18162394411 20757022184 36324788822 72649577644 145299155288