146473520 has 40 divisors (see below), whose sum is σ = 341402256. Its totient is φ = 58443008.

The previous prime is 146473517. The next prime is 146473531. The reversal of 146473520 is 25374641.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×146473520² = 42908984122380800, which contains 22 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, 33374 + ... + 37506.

Almost surely, 2^146473520 is an apocalyptic number.

146473520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146473520 is an abundant number, since it is smaller than the sum of its proper divisors (194928736).

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

146473520 is a wasteful number, since it uses less digits than its factorization.

146473520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 146473520 is about 12102.6245087584. The cubic root of 146473520 is about 527.1323943910.

The spelling of 146473520 in words is "one hundred forty-six million, four hundred seventy-three thousand, five hundred twenty".