145904951 has 2 divisors, whose sum is σ = 145904952. Its totient is φ = 145904950.

The previous prime is 145904921. The next prime is 145904963. The reversal of 145904951 is 159409541.

145904951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (159409541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145904951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145904911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72952475 + 72952476.

It is an arithmetic number, because the mean of its divisors is an integer number (72952476).

Almost surely, 2^145904951 is an apocalyptic number.

145904951 is a deficient number, since it is larger than the sum of its proper divisors (1).

145904951 is an equidigital number, since it uses as much as digits as its factorization.

145904951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 145904951 is about 12079.1121776395. The cubic root of 145904951 is about 526.4494500725.

The spelling of 145904951 in words is "one hundred forty-five million, nine hundred four thousand, nine hundred fifty-one".