143172242970 has 32 divisors (see below), whose sum is σ = 343638849600. Its totient is φ = 38176435200.

The previous prime is 143172242957. The next prime is 143172243037. The reversal of 143172242970 is 79242271341.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251706 + ... + 591354.

It is an arithmetic number, because the mean of its divisors is an integer number (10738714050).

Almost surely, 2^143172242970 is an apocalyptic number.

143172242970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143172242970 is an abundant number, since it is smaller than the sum of its proper divisors (200466606630).

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

143172242970 is a wasteful number, since it uses less digits than its factorization.

143172242970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353710.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 143172242970 in words is "one hundred forty-three billion, one hundred seventy-two million, two hundred forty-two thousand, nine hundred seventy".