145913507 has 2 divisors, whose sum is σ = 145913508. Its totient is φ = 145913506.

The previous prime is 145913501. The next prime is 145913519. The reversal of 145913507 is 705319541.

145913507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145913507 - 2²² = 141719203 is a prime.

It is not a weakly prime, because it can be changed into another prime (145913501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72956753 + 72956754.

It is an arithmetic number, because the mean of its divisors is an integer number (72956754).

Almost surely, 2^145913507 is an apocalyptic number.

145913507 is a deficient number, since it is larger than the sum of its proper divisors (1).

145913507 is an equidigital number, since it uses as much as digits as its factorization.

145913507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 145913507 is about 12079.4663375499. The cubic root of 145913507 is about 526.4597403640.

The spelling of 145913507 in words is "one hundred forty-five million, nine hundred thirteen thousand, five hundred seven".