145405414654 has 8 divisors (see below), whose sum is σ = 218177659008. Its totient is φ = 72679528320.

The previous prime is 145405414639. The next prime is 145405414699. The reversal of 145405414654 is 456414504541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145405414654² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145405414654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11581662 + ... + 11594209.

It is an arithmetic number, because the mean of its divisors is an integer number (27272207376).

Almost surely, 2^145405414654 is an apocalyptic number.

145405414654 is a deficient number, since it is larger than the sum of its proper divisors (72772244354).

145405414654 is a wasteful number, since it uses less digits than its factorization.

145405414654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23179010.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 145405414654 in words is "one hundred forty-five billion, four hundred five million, four hundred fourteen thousand, six hundred fifty-four".