149554950 has 96 divisors (see below), whose sum is σ = 395974656. Its totient is φ = 37224960.

The previous prime is 149554949. The next prime is 149554957. The reversal of 149554950 is 59455941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149554957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 568519 + ... + 568781.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^149554950 is an apocalyptic number.

149554950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149554950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197987328).

149554950 is an abundant number, since it is smaller than the sum of its proper divisors (246419706).

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

149554950 is a wasteful number, since it uses less digits than its factorization.

149554950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 149554950 is about 12229.2661267960. The cubic root of 149554950 is about 530.8032793662.

Subtracting from 149554950 its reverse (59455941), we obtain a palindrome (90099009).

The spelling of 149554950 in words is "one hundred forty-nine million, five hundred fifty-four thousand, nine hundred fifty".