145325121523634 has 16 divisors (see below), whose sum is σ = 237584350668672. Its totient is φ = 66265022973648.

The previous prime is 145325121523607. The next prime is 145325121523639. The reversal of 145325121523634 is 436325121523541.

It is a super-2 number, since 2×145325121523634² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145325121523639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33671249354 + ... + 33671253669.

It is an arithmetic number, because the mean of its divisors is an integer number (14849021916792).

Almost surely, 2^{145325121523634} is an apocalyptic number.

145325121523634 is a deficient number, since it is larger than the sum of its proper divisors (92259229145038).

145325121523634 is a wasteful number, since it uses less digits than its factorization.

145325121523634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67342503121.

The product of its digits is 2592000, while the sum is 47.

The spelling of 145325121523634 in words is "one hundred forty-five trillion, three hundred twenty-five billion, one hundred twenty-one million, five hundred twenty-three thousand, six hundred thirty-four".