145511040 has 64 divisors (see below), whose sum is σ = 463822560. Its totient is φ = 38802432.

The previous prime is 145511033. The next prime is 145511053. The reversal of 145511040 is 40115541.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 145510998 and 145511016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35974 + ... + 39813.

Almost surely, 2^145511040 is an apocalyptic number.

145511040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145511040 is an abundant number, since it is smaller than the sum of its proper divisors (318311520).

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

145511040 is an equidigital number, since it uses as much as digits as its factorization.

145511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75809 (or 75797 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145511040 is about 12062.7956958576. The cubic root of 145511040 is about 525.9752575021.

Adding to 145511040 its reverse (40115541), we get a palindrome (185626581).

The spelling of 145511040 in words is "one hundred forty-five million, five hundred eleven thousand, forty".