145342004 has 6 divisors (see below), whose sum is σ = 254348514. Its totient is φ = 72671000.

The previous prime is 145341983. The next prime is 145342013. The reversal of 145342004 is 400243541.

145342004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128777104 + 16564900 = 11348^2 + 4070^2 .

It is a super-2 number, since 2×145342004² = 42248596253472032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18167747 + ... + 18167754.

It is an arithmetic number, because the mean of its divisors is an integer number (42391419).

Almost surely, 2^145342004 is an apocalyptic number.

It is an amenable number.

145342004 is a deficient number, since it is larger than the sum of its proper divisors (109006510).

145342004 is a wasteful number, since it uses less digits than its factorization.

145342004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335505 (or 36335503 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145342004 is about 12055.7871580416. The cubic root of 145342004 is about 525.7715084637.

Adding to 145342004 its reverse (400243541), we get a palindrome (545585545).

The spelling of 145342004 in words is "one hundred forty-five million, three hundred forty-two thousand, four".