149974450 has 24 divisors (see below), whose sum is σ = 279558000. Its totient is φ = 59859600.

The previous prime is 149974439. The next prime is 149974453. The reversal of 149974450 is 54479941.

149974450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×149974450³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149974397 and 149974406.

It is not an unprimeable number, because it can be changed into a prime (149974453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21945 + ... + 27955.

It is an arithmetic number, because the mean of its divisors is an integer number (11648250).

Almost surely, 2^149974450 is an apocalyptic number.

149974450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149974450 is a deficient number, since it is larger than the sum of its proper divisors (129583550).

149974450 is a wasteful number, since it uses less digits than its factorization.

149974450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6517 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 149974450 is about 12246.4055951124. The cubic root of 149974450 is about 531.2991151822.

The spelling of 149974450 in words is "one hundred forty-nine million, nine hundred seventy-four thousand, four hundred fifty".