145378753 has 8 divisors (see below), whose sum is σ = 156890048. Its totient is φ = 133914384.

The previous prime is 145378729. The next prime is 145378771. The reversal of 145378753 is 357873541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145378753 - 2⁵ = 145378721 is a prime.

It is a super-2 number, since 2×145378753² = 42269963647670018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145378553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5151 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (19611256).

Almost surely, 2^145378753 is an apocalyptic number.

145378753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145378753 is a deficient number, since it is larger than the sum of its proper divisors (11511295).

145378753 is a wasteful number, since it uses less digits than its factorization.

145378753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23463.

The product of its digits is 352800, while the sum is 43.

The square root of 145378753 is about 12057.3111845054. The cubic root of 145378753 is about 525.8158176297.

The spelling of 145378753 in words is "one hundred forty-five million, three hundred seventy-eight thousand, seven hundred fifty-three".