154700145 has 32 divisors (see below), whose sum is σ = 282464640. Its totient is φ = 80274240.

The previous prime is 154700141. The next prime is 154700149. The reversal of 154700145 is 541007451.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (154700141) and next prime (154700149).

It is not a de Polignac number, because 154700145 - 2² = 154700141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (154700141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10491 + ... + 20480.

It is an arithmetic number, because the mean of its divisors is an integer number (8827020).

Almost surely, 2^154700145 is an apocalyptic number.

154700145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154700145 is a deficient number, since it is larger than the sum of its proper divisors (127764495).

154700145 is a wasteful number, since it uses less digits than its factorization.

154700145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31022 (or 31016 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 154700145 is about 12437.8513015713. The cubic root of 154700145 is about 536.8219190416.

Adding to 154700145 its reverse (541007451), we get a palindrome (695707596).

The spelling of 154700145 in words is "one hundred fifty-four million, seven hundred thousand, one hundred forty-five".