145885731430 has 32 divisors (see below), whose sum is σ = 263430286560. Its totient is φ = 58168746240.

The previous prime is 145885731413. The next prime is 145885731443. The reversal of 145885731430 is 34137588541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5521812 + ... + 5548168.

It is an arithmetic number, because the mean of its divisors is an integer number (8232196455).

Almost surely, 2^145885731430 is an apocalyptic number.

145885731430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145885731430 is a deficient number, since it is larger than the sum of its proper divisors (117544555130).

145885731430 is a wasteful number, since it uses less digits than its factorization.

145885731430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28104.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 145885731430 in words is "one hundred forty-five billion, eight hundred eighty-five million, seven hundred thirty-one thousand, four hundred thirty".