145244332542 has 16 divisors (see below), whose sum is σ = 290500622352. Its totient is φ = 48412784640.

The previous prime is 145244332529. The next prime is 145244332561. The reversal of 145244332542 is 245233442541.

It is a super-2 number, since 2×145244332542² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145244332542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336259 + ... + 635262.

It is an arithmetic number, because the mean of its divisors is an integer number (18156288897).

Almost surely, 2^145244332542 is an apocalyptic number.

145244332542 is an abundant number, since it is smaller than the sum of its proper divisors (145256289810).

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

145244332542 is a wasteful number, since it uses less digits than its factorization.

145244332542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996443.

The product of its digits is 460800, while the sum is 39.

The spelling of 145244332542 in words is "one hundred forty-five billion, two hundred forty-four million, three hundred thirty-two thousand, five hundred forty-two".