145023100 has 18 divisors (see below), whose sum is σ = 314700344. Its totient is φ = 58009200.

The previous prime is 145023089. The next prime is 145023167. The reversal of 145023100 is 1320541.

It is a super-2 number, since 2×145023100² = 42063399067220000, 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 in 5 ways as a sum of consecutive naturals, for example, 725016 + ... + 725215.

Almost surely, 2^145023100 is an apocalyptic number.

145023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145023100 is an abundant number, since it is smaller than the sum of its proper divisors (169677244).

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

145023100 is a wasteful number, since it uses less digits than its factorization.

145023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450245 (or 1450238 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 145023100 is about 12042.5537158860. The cubic root of 145023100 is about 525.3866841311.

Adding to 145023100 its reverse (1320541), we get a palindrome (146343641).

The spelling of 145023100 in words is "one hundred forty-five million, twenty-three thousand, one hundred".