145405562434 has 64 divisors (see below), whose sum is σ = 252729953280. Its totient is φ = 62131680000.

The previous prime is 145405562431. The next prime is 145405562459. The reversal of 145405562434 is 434265504541.

It is a super-2 number, since 2×145405562434² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145405562431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3630832 + ... + 3670660.

It is an arithmetic number, because the mean of its divisors is an integer number (3948905520).

Almost surely, 2^145405562434 is an apocalyptic number.

145405562434 is a deficient number, since it is larger than the sum of its proper divisors (107324390846).

145405562434 is a wasteful number, since it uses less digits than its factorization.

145405562434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40027.

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 145405562434 in words is "one hundred forty-five billion, four hundred five million, five hundred sixty-two thousand, four hundred thirty-four".