143400021434 has 32 divisors (see below), whose sum is σ = 217316100096. Its totient is φ = 70965892800.

The previous prime is 143400021407. The next prime is 143400021449. The reversal of 143400021434 is 434120004341.

It is a super-2 number, since 2×143400021434² (a number of 23 digits) contains 22 as substring.

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, 124586759 + ... + 124587909.

It is an arithmetic number, because the mean of its divisors is an integer number (6791128128).

Almost surely, 2^143400021434 is an apocalyptic number.

143400021434 is a deficient number, since it is larger than the sum of its proper divisors (73916078662).

143400021434 is a wasteful number, since it uses less digits than its factorization.

143400021434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 143400021434 its reverse (434120004341), we get a palindrome (577520025775).

The spelling of 143400021434 in words is "one hundred forty-three billion, four hundred million, twenty-one thousand, four hundred thirty-four".