154394650 has 12 divisors (see below), whose sum is σ = 287174142. Its totient is φ = 61757840.

The previous prime is 154394641. The next prime is 154394651. The reversal of 154394650 is 56493451.

It can be written as a sum of positive squares in 3 ways, for example, as 147598201 + 6796449 = 12149^2 + 2607^2 .

It is not an unprimeable number, because it can be changed into a prime (154394651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1543897 + ... + 1543996.

Almost surely, 2^154394650 is an apocalyptic number.

154394650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154394650 is a deficient number, since it is larger than the sum of its proper divisors (132779492).

154394650 is a wasteful number, since it uses less digits than its factorization.

154394650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087905 (or 3087900 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 154394650 is about 12425.5643735003. The cubic root of 154394650 is about 536.4683221273.

The spelling of 154394650 in words is "one hundred fifty-four million, three hundred ninety-four thousand, six hundred fifty".