145265413 has 2 divisors, whose sum is σ = 145265414. Its totient is φ = 145265412.

The previous prime is 145265399. The next prime is 145265429. The reversal of 145265413 is 314562541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131262849 + 14002564 = 11457^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 145265413 - 2⁹ = 145264901 is a prime.

It is a super-2 number, since 2×145265413² = 42204080428121138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145265453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72632706 + 72632707.

It is an arithmetic number, because the mean of its divisors is an integer number (72632707).

Almost surely, 2^145265413 is an apocalyptic number.

It is an amenable number.

145265413 is a deficient number, since it is larger than the sum of its proper divisors (1).

145265413 is an equidigital number, since it uses as much as digits as its factorization.

145265413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 145265413 is about 12052.6102152189. The cubic root of 145265413 is about 525.6791368158.

The spelling of 145265413 in words is "one hundred forty-five million, two hundred sixty-five thousand, four hundred thirteen".