145170753 has 32 divisors (see below), whose sum is σ = 238887936. Its totient is φ = 76362048.

The previous prime is 145170749. The next prime is 145170787. The reversal of 145170753 is 357071541.

It is not a de Polignac number, because 145170753 - 2² = 145170749 is a prime.

It is a super-3 number, since 3×145170753³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (145170703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175126 + ... + 175952.

It is an arithmetic number, because the mean of its divisors is an integer number (7465248).

Almost surely, 2^145170753 is an apocalyptic number.

145170753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145170753 is a deficient number, since it is larger than the sum of its proper divisors (93717183).

145170753 is a wasteful number, since it uses less digits than its factorization.

145170753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 145170753 is about 12048.6826250840. The cubic root of 145170753 is about 525.5649283964.

The spelling of 145170753 in words is "one hundred forty-five million, one hundred seventy thousand, seven hundred fifty-three".