145856701 has 8 divisors (see below), whose sum is σ = 151853624. Its totient is φ = 139968000.

The previous prime is 145856687. The next prime is 145856707. The reversal of 145856701 is 107658541.

145856701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34047225 + 111809476 = 5835^2 + 10574^2 .

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

It is a 5-Lehmer number, since φ(145856701) divides (145856701-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 145856701 - 2¹³ = 145848509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145856707) 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, 24300 + ... + 29701.

It is an arithmetic number, because the mean of its divisors is an integer number (18981703).

It is a Poulet number, since it divides 2^145856700-1.

Almost surely, 2^145856701 is an apocalyptic number.

It is an amenable number.

145856701 is a deficient number, since it is larger than the sum of its proper divisors (5996923).

145856701 is an equidigital number, since it uses as much as digits as its factorization.

145856701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54111.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 145856701 is about 12077.1147630550. The cubic root of 145856701 is about 526.3914123195.

The spelling of 145856701 in words is "one hundred forty-five million, eight hundred fifty-six thousand, seven hundred one".