145325404 has 24 divisors (see below), whose sum is σ = 292400640. Its totient is φ = 61907376.

The previous prime is 145325399. The next prime is 145325419. The reversal of 145325404 is 404523541.

It is a super-2 number, since 2×145325404² = 42238946095526432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 10864 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (12183360).

Almost surely, 2^145325404 is an apocalyptic number.

145325404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145325404 is an abundant number, since it is smaller than the sum of its proper divisors (147075236).

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

145325404 is a wasteful number, since it uses less digits than its factorization.

145325404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31257 (or 31255 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 145325404 is about 12055.0986723461. The cubic root of 145325404 is about 525.7514909897.

Adding to 145325404 its reverse (404523541), we get a palindrome (549848945).

The spelling of 145325404 in words is "one hundred forty-five million, three hundred twenty-five thousand, four hundred four".