145044780 has 48 divisors (see below), whose sum is σ = 407277024. Its totient is φ = 38568960.

The previous prime is 145044769. The next prime is 145044791. The reversal of 145044780 is 87440541.

It is an interprime number because it is at equal distance from previous prime (145044769) and next prime (145044791).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19140 + ... + 25620.

It is an arithmetic number, because the mean of its divisors is an integer number (8484938).

Almost surely, 2^145044780 is an apocalyptic number.

145044780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145044780 is an abundant number, since it is smaller than the sum of its proper divisors (262232244).

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

145044780 is a wasteful number, since it uses less digits than its factorization.

145044780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866 (or 6864 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 145044780 is about 12043.4538235508. The cubic root of 145044780 is about 525.4128634450.

The spelling of 145044780 in words is "one hundred forty-five million, forty-four thousand, seven hundred eighty".