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145602941 = 1113236631
BaseRepresentation
bin10001010110110…
…11100101111101
3101010222101200112
420223123211331
5244233243231
622240435405
73415414241
oct1053334575
9333871615
10145602941
1175209710
1240918b65
132421c6b3
14154a2421
15cbb192b
hex8adb97d

145602941 has 4 divisors (see below), whose sum is σ = 158839584. Its totient is φ = 132366300.

The previous prime is 145602937. The next prime is 145602967. The reversal of 145602941 is 149206541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 149206541 = 1113564231.

It is not a de Polignac number, because 145602941 - 22 = 145602937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145602898 and 145602907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145602991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6618305 + ... + 6618326.

It is an arithmetic number, because the mean of its divisors is an integer number (39709896).

Almost surely, 2145602941 is an apocalyptic number.

145602941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145602941 is a deficient number, since it is larger than the sum of its proper divisors (13236643).

145602941 is a wasteful number, since it uses less digits than its factorization.

145602941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236642.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 145602941 is about 12066.6043690841. The cubic root of 145602941 is about 526.0859649771.

The spelling of 145602941 in words is "one hundred forty-five million, six hundred two thousand, nine hundred forty-one".

Divisors: 1 11 13236631 145602941