146571372 has 18 divisors (see below), whose sum is σ = 370499948. Its totient is φ = 48857112.

The previous prime is 146571353. The next prime is 146571407. The reversal of 146571372 is 273175641.

It is a happy number.

146571372 is a `hidden beast` number, since 14 + 6 + 571 + 3 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4071427 = 146571372 / (1 + 4 + 6 + 5 + 7 + 1 + 3 + 7 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2035678 + ... + 2035749.

Almost surely, 2^146571372 is an apocalyptic number.

146571372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146571372 is an abundant number, since it is smaller than the sum of its proper divisors (223928576).

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

146571372 is a wasteful number, since it uses less digits than its factorization.

146571372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071437 (or 4071432 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 146571372 is about 12106.6664280470. Note that the first 3 decimals coincide. The cubic root of 146571372 is about 527.2497522977.

The spelling of 146571372 in words is "one hundred forty-six million, five hundred seventy-one thousand, three hundred seventy-two".