145015404 has 24 divisors (see below), whose sum is σ = 339459120. Its totient is φ = 48182784.

The previous prime is 145015373. The next prime is 145015411. The reversal of 145015404 is 404510541.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15549 + ... + 23060.

It is an arithmetic number, because the mean of its divisors is an integer number (14144130).

Almost surely, 2^145015404 is an apocalyptic number.

It is an amenable number.

145015404 is an abundant number, since it is smaller than the sum of its proper divisors (194443716).

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

145015404 is a wasteful number, since it uses less digits than its factorization.

145015404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38929 (or 38927 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 145015404 is about 12042.2341780917. The cubic root of 145015404 is about 525.3773903302.

Adding to 145015404 its reverse (404510541), we get a palindrome (549525945).

The spelling of 145015404 in words is "one hundred forty-five million, fifteen thousand, four hundred four".