145333764 has 30 divisors (see below), whose sum is σ = 379932014. Its totient is φ = 48444480.

The previous prime is 145333763. The next prime is 145333841. The reversal of 145333764 is 467333541.

It can be written as a sum of positive squares in only one way, i.e., 139428864 + 5904900 = 11808^2 + 2430^2 .

It is a super-2 number, since 2×145333764² = 42243805916815392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145333763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 223957 + ... + 224604.

Almost surely, 2^145333764 is an apocalyptic number.

It is an amenable number.

145333764 is an abundant number, since it is smaller than the sum of its proper divisors (234598250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145333764 is a wasteful number, since it uses less digits than its factorization.

145333764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448577 (or 448566 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 145333764 is about 12055.4454086110. The cubic root of 145333764 is about 525.7615722696.

The spelling of 145333764 in words is "one hundred forty-five million, three hundred thirty-three thousand, seven hundred sixty-four".