145919100 has 36 divisors (see below), whose sum is σ = 422193464. Its totient is φ = 38911680.

The previous prime is 145919093. The next prime is 145919113. The reversal of 145919100 is 1919541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 242899 + ... + 243498.

Almost surely, 2^145919100 is an apocalyptic number.

145919100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145919100 is an abundant number, since it is smaller than the sum of its proper divisors (276274364).

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

145919100 is a wasteful number, since it uses less digits than its factorization.

145919100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486414 (or 486407 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 145919100 is about 12079.6978439032. The cubic root of 145919100 is about 526.4664668414.

The spelling of 145919100 in words is "one hundred forty-five million, nine hundred nineteen thousand, one hundred".