145122100 has 36 divisors (see below), whose sum is σ = 315542304. Its totient is φ = 57933280.

The previous prime is 145122091. The next prime is 145122113. The reversal of 145122100 is 1221541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63579 + ... + 65821.

It is an arithmetic number, because the mean of its divisors is an integer number (8765064).

Almost surely, 2^145122100 is an apocalyptic number.

145122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145122100 is an abundant number, since it is smaller than the sum of its proper divisors (170420204).

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

145122100 is a wasteful number, since it uses less digits than its factorization.

145122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 145122100 is about 12046.6634384796. The cubic root of 145122100 is about 525.5062086542.

Adding to 145122100 its reverse (1221541), we get a palindrome (146343641).

The spelling of 145122100 in words is "one hundred forty-five million, one hundred twenty-two thousand, one hundred".