146551974 has 8 divisors (see below), whose sum is σ = 293103960. Its totient is φ = 48850656.

The previous prime is 146551967. The next prime is 146551991. The reversal of 146551974 is 479155641.

It is a sphenic number, since it is the product of 3 distinct primes.

146551974 is an admirable number.

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, 12212659 + ... + 12212670.

It is an arithmetic number, because the mean of its divisors is an integer number (36637995).

Almost surely, 2^146551974 is an apocalyptic number.

146551974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146551974 is a wasteful number, since it uses less digits than its factorization.

146551974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24425334.

The product of its digits is 151200, while the sum is 42.

The square root of 146551974 is about 12105.8652726685. The cubic root of 146551974 is about 527.2264916345.

The spelling of 146551974 in words is "one hundred forty-six million, five hundred fifty-one thousand, nine hundred seventy-four".