146621601 has 24 divisors (see below), whose sum is σ = 243122880. Its totient is φ = 83409696.

The previous prime is 146621591. The next prime is 146621621. The reversal of 146621601 is 106126641.

It is not a de Polignac number, because 146621601 - 2⁷ = 146621473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146621621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9346 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (10130120).

Almost surely, 2^146621601 is an apocalyptic number.

It is an amenable number.

146621601 is a deficient number, since it is larger than the sum of its proper divisors (96501279).

146621601 is a wasteful number, since it uses less digits than its factorization.

146621601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 146621601 is about 12108.7406859673. The cubic root of 146621601 is about 527.3099737057.

The spelling of 146621601 in words is "one hundred forty-six million, six hundred twenty-one thousand, six hundred one".