149531403637500 has 432 divisors, whose sum is σ = 449785506447648. Its totient is φ = 38661033600000.

The previous prime is 149531403637481. The next prime is 149531403637507. The reversal of 149531403637500 is 5736304135941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149531403637507) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15041882530 + ... + 15041892470.

It is an arithmetic number, because the mean of its divisors is an integer number (1041170153814).

Almost surely, 2^{149531403637500} is an apocalyptic number.

149531403637500 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 149531403637500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224892753223824).

149531403637500 is an abundant number, since it is smaller than the sum of its proper divisors (300254102810148).

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

149531403637500 is an equidigital number, since it uses as much as digits as its factorization.

149531403637500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 149531403637500 in words is "one hundred forty-nine trillion, five hundred thirty-one billion, four hundred three million, six hundred thirty-seven thousand, five hundred".