149956450 has 48 divisors (see below), whose sum is σ = 320515200. Its totient is φ = 51131520.

The previous prime is 149956447. The next prime is 149956453. The reversal of 149956450 is 54659941.

It is an interprime number because it is at equal distance from previous prime (149956447) and next prime (149956453).

It is a junction number, because it is equal to n+sod(n) for n = 149956397 and 149956406.

It is not an unprimeable number, because it can be changed into a prime (149956453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68574 + ... + 70726.

It is an arithmetic number, because the mean of its divisors is an integer number (6677400).

Almost surely, 2^149956450 is an apocalyptic number.

149956450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149956450 is an abundant number, since it is smaller than the sum of its proper divisors (170558750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149956450 is a wasteful number, since it uses less digits than its factorization.

149956450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 149956450 is about 12245.6706635447. The cubic root of 149956450 is about 531.2778587467.

The spelling of 149956450 in words is "one hundred forty-nine million, nine hundred fifty-six thousand, four hundred fifty".