149420700 has 432 divisors, whose sum is σ = 583879296. Its totient is φ = 32659200.

The previous prime is 149420699. The next prime is 149420737. The reversal of 149420700 is 7024941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3474879 + ... + 3474921.

Almost surely, 2^149420700 is an apocalyptic number.

149420700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149420700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291939648).

149420700 is an abundant number, since it is smaller than the sum of its proper divisors (434458596).

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

149420700 is a wasteful number, since it uses less digits than its factorization.

149420700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 149420700 is about 12223.7760123458. The cubic root of 149420700 is about 530.6444042649.

The spelling of 149420700 in words is "one hundred forty-nine million, four hundred twenty thousand, seven hundred".