145573375542 has 32 divisors (see below), whose sum is σ = 333178766592. Its totient is φ = 41537440224.

The previous prime is 145573375513. The next prime is 145573375547. The reversal of 145573375542 is 245573375541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145573375547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257528 + ... + 2321115.

It is an arithmetic number, because the mean of its divisors is an integer number (10411836456).

Almost surely, 2^145573375542 is an apocalyptic number.

145573375542 is an abundant number, since it is smaller than the sum of its proper divisors (187605391050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145573375542 is a wasteful number, since it uses less digits than its factorization.

145573375542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579412.

The product of its digits is 8820000, while the sum is 51.

Subtracting 145573375542 from its reverse (245573375541), we obtain a palindrome (99999999999).

The spelling of 145573375542 in words is "one hundred forty-five billion, five hundred seventy-three million, three hundred seventy-five thousand, five hundred forty-two".