Search a number
-
+
145755992 = 2319958921
BaseRepresentation
bin10001011000000…
…00111101011000
3101011021011122002
420230000331120
5244303142432
622244020132
73416622404
oct1054007530
9334234562
10145755992
11753036a8
1240991648
1324274265
1415502104
15cbe1e62
hex8b00f58

145755992 has 16 divisors (see below), whose sum is σ = 287676600. Its totient is φ = 69042240.

The previous prime is 145755959. The next prime is 145755997. The reversal of 145755992 is 299557541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145755997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479309 + ... + 479612.

Almost surely, 2145755992 is an apocalyptic number.

It is an amenable number.

145755992 is a deficient number, since it is larger than the sum of its proper divisors (141920608).

145755992 is a wasteful number, since it uses less digits than its factorization.

145755992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958946 (or 958942 counting only the distinct ones).

The product of its digits is 567000, while the sum is 47.

The square root of 145755992 is about 12072.9446283829. The cubic root of 145755992 is about 526.2702327459.

The spelling of 145755992 in words is "one hundred forty-five million, seven hundred fifty-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 19 38 76 152 958921 1917842 3835684 7671368 18219499 36438998 72877996 145755992