154413969 has 16 divisors (see below), whose sum is σ = 216986880. Its totient is φ = 97405200.

The previous prime is 154413967. The next prime is 154413977. The reversal of 154413969 is 969314451.

It is not a de Polignac number, because 154413969 - 2¹ = 154413967 is a prime.

It is a super-2 number, since 2×154413969² = 47687347644665922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 154413969.

It is not an unprimeable number, because it can be changed into a prime (154413967) 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, 81774 + ... + 83640.

It is an arithmetic number, because the mean of its divisors is an integer number (13561680).

Almost surely, 2^154413969 is an apocalyptic number.

154413969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

154413969 is a deficient number, since it is larger than the sum of its proper divisors (62572911).

154413969 is a wasteful number, since it uses less digits than its factorization.

154413969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340.

The product of its digits is 116640, while the sum is 42.

The square root of 154413969 is about 12426.3417384200. The cubic root of 154413969 is about 536.4906968216.

The spelling of 154413969 in words is "one hundred fifty-four million, four hundred thirteen thousand, nine hundred sixty-nine".