145331442496 has 14 divisors (see below), whose sum is σ = 288392081330. Its totient is φ = 72665721216.

The previous prime is 145331442467. The next prime is 145331442523. The reversal of 145331442496 is 694244133541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128926956096 + 16404486400 = 359064^2 + 128080^2 .

It is a super-2 number, since 2×145331442496² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135401831 + ... + 1135401958.

Almost surely, 2^145331442496 is an apocalyptic number.

145331442496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145331442496 is a deficient number, since it is larger than the sum of its proper divisors (143060638834).

145331442496 is an equidigital number, since it uses as much as digits as its factorization.

145331442496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270803801 (or 2270803791 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The spelling of 145331442496 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred forty-two thousand, four hundred ninety-six".