145351575 has 36 divisors (see below), whose sum is σ = 261037608. Its totient is φ = 77313600.

The previous prime is 145351571. The next prime is 145351597. The reversal of 145351575 is 575153541.

It is a happy number.

It is not a de Polignac number, because 145351575 - 2² = 145351571 is a prime.

It is a super-2 number, since 2×145351575² = 42254160709961250, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145351571) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122485 + ... + 123665.

Almost surely, 2^145351575 is an apocalyptic number.

145351575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145351575 is a deficient number, since it is larger than the sum of its proper divisors (115686033).

145351575 is a wasteful number, since it uses less digits than its factorization.

145351575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1736 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 145351575 is about 12056.1840977981. The cubic root of 145351575 is about 525.7830491712.

It can be divided in two parts, 14535 and 1575, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 145351575 in words is "one hundred forty-five million, three hundred fifty-one thousand, five hundred seventy-five".