145406392534 has 32 divisors (see below), whose sum is σ = 236076503040. Its totient is φ = 66771540000.

The previous prime is 145406392531. The next prime is 145406392561. The reversal of 145406392534 is 435293604541.

145406392534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145406392534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145406392531) 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, 5277807 + ... + 5305285.

It is an arithmetic number, because the mean of its divisors is an integer number (7377390720).

Almost surely, 2^145406392534 is an apocalyptic number.

145406392534 is a deficient number, since it is larger than the sum of its proper divisors (90670110506).

145406392534 is a wasteful number, since it uses less digits than its factorization.

145406392534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28516.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 145406392534 in words is "one hundred forty-five billion, four hundred six million, three hundred ninety-two thousand, five hundred thirty-four".