145402104 has 16 divisors (see below), whose sum is σ = 363505320. Its totient is φ = 48467360.

The previous prime is 145402093. The next prime is 145402109. The reversal of 145402104 is 401204541.

It is a happy number.

It is a super-2 number, since 2×145402104² = 42283543695253632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145402109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3029187 + ... + 3029234.

Almost surely, 2^145402104 is an apocalyptic number.

It is an amenable number.

145402104 is an abundant number, since it is smaller than the sum of its proper divisors (218103216).

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

145402104 is a wasteful number, since it uses less digits than its factorization.

145402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058430 (or 6058426 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 145402104 is about 12058.2794792624. The cubic root of 145402104 is about 525.8439686205.

Adding to 145402104 its reverse (401204541), we get a palindrome (546606645).

The spelling of 145402104 in words is "one hundred forty-five million, four hundred two thousand, one hundred four".