145157001 has 8 divisors (see below), whose sum is σ = 211137504. Its totient is φ = 87973920.

The previous prime is 145156997. The next prime is 145157027. The reversal of 145157001 is 100751541.

145157001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145157001 - 2² = 145156997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145158001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199316 + ... + 2199381.

It is an arithmetic number, because the mean of its divisors is an integer number (26392188).

Almost surely, 2^145157001 is an apocalyptic number.

145157001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145157001 is a deficient number, since it is larger than the sum of its proper divisors (65980503).

145157001 is a wasteful number, since it uses less digits than its factorization.

145157001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398711.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 145157001 is about 12048.1119267709. Note that the first 3 decimals coincide. The cubic root of 145157001 is about 525.5483323145.

The spelling of 145157001 in words is "one hundred forty-five million, one hundred fifty-seven thousand, one".