145231551542 has 16 divisors (see below), whose sum is σ = 271601862912. Its totient is φ = 56583721320.

The previous prime is 145231551541. The next prime is 145231551547. The reversal of 145231551542 is 245155132541.

It is a junction number, because it is equal to n+sod(n) for n = 145231551496 and 145231551505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145231551541) 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, 471530858 + ... + 471531165.

It is an arithmetic number, because the mean of its divisors is an integer number (16975116432).

Almost surely, 2^145231551542 is an apocalyptic number.

145231551542 is a deficient number, since it is larger than the sum of its proper divisors (126370311370).

145231551542 is a wasteful number, since it uses less digits than its factorization.

145231551542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943062043.

The product of its digits is 120000, while the sum is 38.

The spelling of 145231551542 in words is "one hundred forty-five billion, two hundred thirty-one million, five hundred fifty-one thousand, five hundred forty-two".