145542532544 has 14 divisors (see below), whose sum is σ = 288810963144. Its totient is φ = 72771266240.

The previous prime is 145542532543. The next prime is 145542532571. The reversal of 145542532544 is 445235245541.

It is a super-2 number, since 2×145542532544² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145542532495 and 145542532504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145542532543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137050972 + ... + 1137051099.

Almost surely, 2^145542532544 is an apocalyptic number.

It is an amenable number.

145542532544 is a deficient number, since it is larger than the sum of its proper divisors (143268430600).

145542532544 is an equidigital number, since it uses as much as digits as its factorization.

145542532544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274102083 (or 2274102073 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 44.

The spelling of 145542532544 in words is "one hundred forty-five billion, five hundred forty-two million, five hundred thirty-two thousand, five hundred forty-four".