145731574443 has 32 divisors (see below), whose sum is σ = 239170176000. Its totient is φ = 76862676096.

The previous prime is 145731574423. The next prime is 145731574447. The reversal of 145731574443 is 344475137541.

It is not a de Polignac number, because 145731574443 - 2⁸ = 145731574187 is a prime.

It is a super-3 number, since 3×145731574443³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145731574392 and 145731574401.

It is not an unprimeable number, because it can be changed into a prime (145731574447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5432698 + ... + 5459456.

It is an arithmetic number, because the mean of its divisors is an integer number (7474068000).

Almost surely, 2^145731574443 is an apocalyptic number.

145731574443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145731574443 is a deficient number, since it is larger than the sum of its proper divisors (93438601557).

145731574443 is a wasteful number, since it uses less digits than its factorization.

145731574443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46731.

The product of its digits is 2822400, while the sum is 48.

The spelling of 145731574443 in words is "one hundred forty-five billion, seven hundred thirty-one million, five hundred seventy-four thousand, four hundred forty-three".