145405562445 has 96 divisors (see below), whose sum is σ = 300953487744. Its totient is φ = 64009612800.

The previous prime is 145405562431. The next prime is 145405562459. The reversal of 145405562445 is 544265504541.

145405562445 is a `hidden beast` number, since 1 + 4 + 5 + 40 + 5 + 562 + 4 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (145405562431) and next prime (145405562459).

It is not a de Polignac number, because 145405562445 - 2¹² = 145405558349 is a prime.

It is a super-2 number, since 2×145405562445² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145405562445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 207322 + ... + 577748.

It is an arithmetic number, because the mean of its divisors is an integer number (3134932164).

Almost surely, 2^145405562445 is an apocalyptic number.

145405562445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145405562445 is an abundant number, since it is smaller than the sum of its proper divisors (155547925299).

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

145405562445 is a wasteful number, since it uses less digits than its factorization.

145405562445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370523 (or 370520 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 145405562445 in words is "one hundred forty-five billion, four hundred five million, five hundred sixty-two thousand, four hundred forty-five".