146981544 has 16 divisors (see below), whose sum is σ = 367453920. Its totient is φ = 48993840.

The previous prime is 146981537. The next prime is 146981557. The reversal of 146981544 is 445189641.

It is a junction number, because it is equal to n+sod(n) for n = 146981496 and 146981505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062092 + ... + 3062139.

It is an arithmetic number, because the mean of its divisors is an integer number (22965870).

Almost surely, 2^146981544 is an apocalyptic number.

It is an amenable number.

146981544 is an abundant number, since it is smaller than the sum of its proper divisors (220472376).

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

146981544 is a wasteful number, since it uses less digits than its factorization.

146981544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124240 (or 6124236 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 146981544 is about 12123.5945164790. The cubic root of 146981544 is about 527.7411207962.

The spelling of 146981544 in words is "one hundred forty-six million, nine hundred eighty-one thousand, five hundred forty-four".