145431045594 has 16 divisors (see below), whose sum is σ = 323180101440. Its totient is φ = 48477015180.

The previous prime is 145431045587. The next prime is 145431045601. The reversal of 145431045594 is 495540134541.

145431045594 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 3 + 10 + 45 + 594 = 666.

It is an interprime number because it is at equal distance from previous prime (145431045587) and next prime (145431045601).

It is a super-3 number, since 3×145431045594³ (a number of 34 digits) contains 333 as substring.

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, 1346583702 + ... + 1346583809.

It is an arithmetic number, because the mean of its divisors is an integer number (20198756340).

Almost surely, 2^145431045594 is an apocalyptic number.

145431045594 is an abundant number, since it is smaller than the sum of its proper divisors (177749055846).

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

145431045594 is a wasteful number, since it uses less digits than its factorization.

145431045594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693167522 (or 2693167516 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 145431045594 in words is "one hundred forty-five billion, four hundred thirty-one million, forty-five thousand, five hundred ninety-four".