143997398500 has 48 divisors (see below), whose sum is σ = 315170069760. Its totient is φ = 57474463200.

The previous prime is 143997398477. The next prime is 143997398509. The reversal of 143997398500 is 5893799341.

It is not an unprimeable number, because it can be changed into a prime (143997398509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79510 + ... + 542509.

It is an arithmetic number, because the mean of its divisors is an integer number (6566043120).

Almost surely, 2^143997398500 is an apocalyptic number.

143997398500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143997398500 is an abundant number, since it is smaller than the sum of its proper divisors (171172671260).

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

143997398500 is a wasteful number, since it uses less digits than its factorization.

143997398500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622501 (or 622489 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 143997398500 in words is "one hundred forty-three billion, nine hundred ninety-seven million, three hundred ninety-eight thousand, five hundred".