146157399 has 16 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 96525720.

The previous prime is 146157371. The next prime is 146157409. The reversal of 146157399 is 993751641.

146157399 is a `hidden beast` number, since 14 + 61 + 573 + 9 + 9 = 666.

It is not a de Polignac number, because 146157399 - 2¹³ = 146149207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146157359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22407 + ... + 28184.

It is an arithmetic number, because the mean of its divisors is an integer number (13659840).

Almost surely, 2^146157399 is an apocalyptic number.

146157399 is a deficient number, since it is larger than the sum of its proper divisors (72400041).

146157399 is a wasteful number, since it uses less digits than its factorization.

146157399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50707 (or 50701 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 146157399 is about 12089.5574360685. The cubic root of 146157399 is about 526.7528999873.

The spelling of 146157399 in words is "one hundred forty-six million, one hundred fifty-seven thousand, three hundred ninety-nine".