145711507 has 2 divisors, whose sum is σ = 145711508. Its totient is φ = 145711506.

The previous prime is 145711487. The next prime is 145711523. The reversal of 145711507 is 705117541.

It is a happy number.

145711507 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 a cyclic number.

It is not a de Polignac number, because 145711507 - 2¹⁵ = 145678739 is a prime.

It is a super-2 number, since 2×145711507² = 42463686544422098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145711207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72855753 + 72855754.

It is an arithmetic number, because the mean of its divisors is an integer number (72855754).

Almost surely, 2^145711507 is an apocalyptic number.

145711507 is a deficient number, since it is larger than the sum of its proper divisors (1).

145711507 is an equidigital number, since it uses as much as digits as its factorization.

145711507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 145711507 is about 12071.1021452061. The cubic root of 145711507 is about 526.2166877468.

The spelling of 145711507 in words is "one hundred forty-five million, seven hundred eleven thousand, five hundred seven".