145332175755 has 128 divisors (see below), whose sum is σ = 269235912960. Its totient is φ = 66308014080.

The previous prime is 145332175753. The next prime is 145332175787. The reversal of 145332175755 is 557571233541.

It is not a de Polignac number, because 145332175755 - 2¹ = 145332175753 is a prime.

It is a super-2 number, since 2×145332175755² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145332175753) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 82903959 + ... + 82905711.

It is an arithmetic number, because the mean of its divisors is an integer number (2103405570).

Almost surely, 2^145332175755 is an apocalyptic number.

145332175755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145332175755 is a deficient number, since it is larger than the sum of its proper divisors (123903737205).

145332175755 is a wasteful number, since it uses less digits than its factorization.

145332175755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161.

The product of its digits is 2205000, while the sum is 48.

The spelling of 145332175755 in words is "one hundred forty-five billion, three hundred thirty-two million, one hundred seventy-five thousand, seven hundred fifty-five".