154130661 has 8 divisors (see below), whose sum is σ = 228341760. Its totient is φ = 102753756.

The previous prime is 154130651. The next prime is 154130671. The reversal of 154130661 is 166031451.

It is an interprime number because it is at equal distance from previous prime (154130651) and next prime (154130671).

It is not a de Polignac number, because 154130661 - 2¹⁴ = 154114277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5708543 = 154130661 / (1 + 5 + 4 + 1 + 3 + 0 + 6 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154130651) 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, 2854245 + ... + 2854298.

It is an arithmetic number, because the mean of its divisors is an integer number (28542720).

Almost surely, 2^154130661 is an apocalyptic number.

It is an amenable number.

154130661 is a deficient number, since it is larger than the sum of its proper divisors (74211099).

154130661 is an equidigital number, since it uses as much as digits as its factorization.

154130661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708552 (or 5708546 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 154130661 is about 12414.9370115196. The cubic root of 154130661 is about 536.1623906953.

The spelling of 154130661 in words is "one hundred fifty-four million, one hundred thirty thousand, six hundred sixty-one".