145312413 has 32 divisors (see below), whose sum is σ = 217126656. Its totient is φ = 85966848.

The previous prime is 145312373. The next prime is 145312423. The reversal of 145312413 is 314213541.

It is a happy number.

It is not a de Polignac number, because 145312413 - 2⁸ = 145312157 is a prime.

It is a super-2 number, since 2×145312413² = 42231394743765138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84781 + ... + 86477.

It is an arithmetic number, because the mean of its divisors is an integer number (6785208).

Almost surely, 2^145312413 is an apocalyptic number.

It is an amenable number.

145312413 is a deficient number, since it is larger than the sum of its proper divisors (71814243).

145312413 is a wasteful number, since it uses less digits than its factorization.

145312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its digits is 1440, while the sum is 24.

The square root of 145312413 is about 12054.5598426488. The cubic root of 145312413 is about 525.7358244443.

Adding to 145312413 its reverse (314213541), we get a palindrome (459525954).

The spelling of 145312413 in words is "one hundred forty-five million, three hundred twelve thousand, four hundred thirteen".