154922397 has 16 divisors (see below), whose sum is σ = 239063040. Its totient is φ = 87405552.

The previous prime is 154922381. The next prime is 154922401. The reversal of 154922397 is 793229451.

It is not a de Polignac number, because 154922397 - 2⁴ = 154922381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154922357) 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, 45033 + ... + 48350.

It is an arithmetic number, because the mean of its divisors is an integer number (14941440).

Almost surely, 2^154922397 is an apocalyptic number.

It is an amenable number.

154922397 is a deficient number, since it is larger than the sum of its proper divisors (84140643).

154922397 is an equidigital number, since it uses as much as digits as its factorization.

154922397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93472.

The product of its digits is 136080, while the sum is 42.

The square root of 154922397 is about 12446.7825963178. The cubic root of 154922397 is about 537.0788734543.

The spelling of 154922397 in words is "one hundred fifty-four million, nine hundred twenty-two thousand, three hundred ninety-seven".