143122638372 has 48 divisors (see below), whose sum is σ = 381769006080. Its totient is φ = 40880542752.

The previous prime is 143122638317. The next prime is 143122638403. The reversal of 143122638372 is 273836221341.

It is a super-2 number, since 2×143122638372² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 56553 + ... + 537999.

It is an arithmetic number, because the mean of its divisors is an integer number (7953520960).

Almost surely, 2^143122638372 is an apocalyptic number.

143122638372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143122638372 is an abundant number, since it is smaller than the sum of its proper divisors (238646367708).

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

143122638372 is a wasteful number, since it uses less digits than its factorization.

143122638372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485000 (or 484998 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 143122638372 in words is "one hundred forty-three billion, one hundred twenty-two million, six hundred thirty-eight thousand, three hundred seventy-two".