145733657555 has 4 divisors (see below), whose sum is σ = 174880389072. Its totient is φ = 116586926040.

The previous prime is 145733657543. The next prime is 145733657567. The reversal of 145733657555 is 555756337541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555756337541 = 107 ⋅5193984463.

It is an interprime number because it is at equal distance from previous prime (145733657543) and next prime (145733657567).

It is not a de Polignac number, because 145733657555 - 2⁸ = 145733657299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145733657555.

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, 14573365751 + ... + 14573365760.

It is an arithmetic number, because the mean of its divisors is an integer number (43720097268).

Almost surely, 2^145733657555 is an apocalyptic number.

145733657555 is a deficient number, since it is larger than the sum of its proper divisors (29146731517).

145733657555 is an equidigital number, since it uses as much as digits as its factorization.

145733657555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29146731516.

The product of its digits is 33075000, while the sum is 56.

The spelling of 145733657555 in words is "one hundred forty-five billion, seven hundred thirty-three million, six hundred fifty-seven thousand, five hundred fifty-five".