145807038 has 24 divisors (see below), whose sum is σ = 340216968. Its totient is φ = 44863632.

The previous prime is 145807037. The next prime is 145807069. The reversal of 145807038 is 830708541.

145807038 is a `hidden beast` number, since 1 + 4 + 580 + 70 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145806993 and 145807011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145807031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311320 + ... + 311787.

It is an arithmetic number, because the mean of its divisors is an integer number (14175707).

Almost surely, 2^145807038 is an apocalyptic number.

145807038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145807038 is an abundant number, since it is smaller than the sum of its proper divisors (194409930).

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

145807038 is a wasteful number, since it uses less digits than its factorization.

145807038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623128 (or 623125 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 145807038 is about 12075.0585091750. The cubic root of 145807038 is about 526.3316615638.

The spelling of 145807038 in words is "one hundred forty-five million, eight hundred seven thousand, thirty-eight".