154429797 has 8 divisors (see below), whose sum is σ = 214858944. Its totient is φ = 98476928.

The previous prime is 154429789. The next prime is 154429799. The reversal of 154429797 is 797924451.

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

It is a cyclic number.

It is not a de Polignac number, because 154429797 - 2³ = 154429789 is a prime.

It is a super-2 number, since 2×154429797² = 47697124402922418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154429799) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1118988 + ... + 1119125.

It is an arithmetic number, because the mean of its divisors is an integer number (26857368).

Almost surely, 2^154429797 is an apocalyptic number.

It is an amenable number.

154429797 is a deficient number, since it is larger than the sum of its proper divisors (60429147).

154429797 is a wasteful number, since it uses less digits than its factorization.

154429797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238139.

The product of its digits is 635040, while the sum is 48.

The square root of 154429797 is about 12426.9785949763. The cubic root of 154429797 is about 536.5090269522.

The spelling of 154429797 in words is "one hundred fifty-four million, four hundred twenty-nine thousand, seven hundred ninety-seven".