145225031714571 has 32 divisors (see below), whose sum is σ = 203113998286848. Its totient is φ = 92120636028960.

The previous prime is 145225031714563. The next prime is 145225031714591. The reversal of 145225031714571 is 175417130522541.

It is a happy number.

It is not a de Polignac number, because 145225031714571 - 2³ = 145225031714563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145225031714571.

It is not an unprimeable number, because it can be changed into a prime (145225031714531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186931820 + ... + 1187054166.

It is an arithmetic number, because the mean of its divisors is an integer number (6347312446464).

Almost surely, 2^{145225031714571} is an apocalyptic number.

145225031714571 is a deficient number, since it is larger than the sum of its proper divisors (57888966572277).

145225031714571 is a wasteful number, since it uses less digits than its factorization.

145225031714571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212631.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 145225031714571 in words is "one hundred forty-five trillion, two hundred twenty-five billion, thirty-one million, seven hundred fourteen thousand, five hundred seventy-one".