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145933957 = 1331379787
BaseRepresentation
bin10001011001011…
…00011010000101
3101011121012202101
420230230122011
5244324341312
622251512101
73421263301
oct1054543205
9334535671
10145933957
1175415384
1240a58631
1324307270
141554ad01
15cc29a57
hex8b2c685

145933957 has 16 divisors (see below), whose sum is σ = 166630912. Its totient is φ = 126826560.

The previous prime is 145933943. The next prime is 145933969. The reversal of 145933957 is 759339541.

It is a cyclic number.

It is not a de Polignac number, because 145933957 - 219 = 145409669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145933937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10018 + ... + 19804.

It is an arithmetic number, because the mean of its divisors is an integer number (10414432).

Almost surely, 2145933957 is an apocalyptic number.

It is an amenable number.

145933957 is a deficient number, since it is larger than the sum of its proper divisors (20696955).

145933957 is a wasteful number, since it uses less digits than its factorization.

145933957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868.

The product of its digits is 510300, while the sum is 46.

The square root of 145933957 is about 12080.3127856856. The cubic root of 145933957 is about 526.4843339263.

The spelling of 145933957 in words is "one hundred forty-five million, nine hundred thirty-three thousand, nine hundred fifty-seven".

Divisors: 1 13 31 37 403 481 1147 9787 14911 127231 303397 362119 3944161 4707547 11225689 145933957