143450620636542 has 32 divisors (see below), whose sum is σ = 296804040734880. Its totient is φ = 46166514226560.

The previous prime is 143450620636537. The next prime is 143450620636549. The reversal of 143450620636542 is 245636026054341.

It is a super-2 number, since 2×143450620636542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143450620636549) 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, 8035953 + ... + 18747740.

It is an arithmetic number, because the mean of its divisors is an integer number (9275126272965).

Almost surely, 2^{143450620636542} is an apocalyptic number.

143450620636542 is an abundant number, since it is smaller than the sum of its proper divisors (153353420098338).

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

143450620636542 is a wasteful number, since it uses less digits than its factorization.

143450620636542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26814508.

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 143450620636542 in words is "one hundred forty-three trillion, four hundred fifty billion, six hundred twenty million, six hundred thirty-six thousand, five hundred forty-two".