154742450 has 12 divisors (see below), whose sum is σ = 287821050. Its totient is φ = 61896960.

The previous prime is 154742447. The next prime is 154742477. The reversal of 154742450 is 54247451.

154742450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 122921569 + 31820881 = 11087^2 + 5641^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1547375 + ... + 1547474.

Almost surely, 2^154742450 is an apocalyptic number.

154742450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154742450 is a deficient number, since it is larger than the sum of its proper divisors (133078600).

154742450 is a wasteful number, since it uses less digits than its factorization.

154742450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094861 (or 3094856 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 154742450 is about 12439.5518408020. The cubic root of 154742450 is about 536.8708484968.

The spelling of 154742450 in words is "one hundred fifty-four million, seven hundred forty-two thousand, four hundred fifty".