146578157952 has 32 divisors (see below), whose sum is σ = 389348233080. Its totient is φ = 48859385856.

The previous prime is 146578157941. The next prime is 146578157963. The reversal of 146578157952 is 259751875641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (146578157941) and next prime (146578157963).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190856593 + ... + 190857360.

Almost surely, 2^146578157952 is an apocalyptic number.

146578157952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146578157952 is an abundant number, since it is smaller than the sum of its proper divisors (242770075128).

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

146578157952 is an equidigital number, since it uses as much as digits as its factorization.

146578157952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381713970 (or 381713958 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 60.

The spelling of 146578157952 in words is "one hundred forty-six billion, five hundred seventy-eight million, one hundred fifty-seven thousand, nine hundred fifty-two".