146142988 has 6 divisors (see below), whose sum is σ = 255750236. Its totient is φ = 73071492.

The previous prime is 146142973. The next prime is 146143001. The reversal of 146142988 is 889241641.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18267870 + ... + 18267877.

Almost surely, 2^146142988 is an apocalyptic number.

It is an amenable number.

146142988 is a deficient number, since it is larger than the sum of its proper divisors (109607248).

146142988 is a wasteful number, since it uses less digits than its factorization.

146142988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36535751 (or 36535749 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 146142988 is about 12088.9614111387. The cubic root of 146142988 is about 526.7355869499.

The spelling of 146142988 in words is "one hundred forty-six million, one hundred forty-two thousand, nine hundred eighty-eight".