145330776 has 24 divisors (see below), whose sum is σ = 393604380. Its totient is φ = 48443568.

The previous prime is 145330771. The next prime is 145330777. The reversal of 145330776 is 677033541.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×145330776² = 42242068905524352, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145330776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145330771) 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 5 ways as a sum of consecutive naturals, for example, 1009170 + ... + 1009313.

Almost surely, 2^145330776 is an apocalyptic number.

It is an amenable number.

145330776 is an abundant number, since it is smaller than the sum of its proper divisors (248273604).

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

145330776 is a wasteful number, since it uses less digits than its factorization.

145330776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018495 (or 2018488 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 145330776 is about 12055.3214805745. The cubic root of 145330776 is about 525.7579691005.

The spelling of 145330776 in words is "one hundred forty-five million, three hundred thirty thousand, seven hundred seventy-six".