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145362137 = 1996471129
BaseRepresentation
bin10001010101000…
…00110011011001
3101010112011100212
420222200303121
5244203042022
622231340505
73413362214
oct1052406331
9333464325
10145362137
11750647a8
1240821735
1324166bcb
141543c77b
15cb653e2
hex8aa0cd9

145362137 has 8 divisors (see below), whose sum is σ = 146448000. Its totient is φ = 144280224.

The previous prime is 145362127. The next prime is 145362197. The reversal of 145362137 is 731263541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145362137 is a prime.

It is a super-2 number, since 2×1453621372 = 42260301746413538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145362127) 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, 128189 + ... + 129317.

It is an arithmetic number, because the mean of its divisors is an integer number (18306000).

Almost surely, 2145362137 is an apocalyptic number.

It is an amenable number.

145362137 is a deficient number, since it is larger than the sum of its proper divisors (1085863).

145362137 is a wasteful number, since it uses less digits than its factorization.

145362137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 15120, while the sum is 32.

The square root of 145362137 is about 12056.6221223027. The cubic root of 145362137 is about 525.7957842380.

The spelling of 145362137 in words is "one hundred forty-five million, three hundred sixty-two thousand, one hundred thirty-seven".

Divisors: 1 199 647 1129 128753 224671 730463 145362137