154130749562 has 4 divisors (see below), whose sum is σ = 231196124346. Its totient is φ = 77065374780.

The previous prime is 154130749519. The next prime is 154130749607. The reversal of 154130749562 is 265947031451.

It is a happy number.

154130749562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265947031451 = 313 ⋅849671027.

It can be written as a sum of positive squares in only one way, i.e., 148671165241 + 5459584321 = 385579^2 + 73889^2 .

It is a super-4 number, since 4×154130749562⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38532687389 + ... + 38532687392.

Almost surely, 2^154130749562 is an apocalyptic number.

154130749562 is a deficient number, since it is larger than the sum of its proper divisors (77065374784).

154130749562 is an equidigital number, since it uses as much as digits as its factorization.

154130749562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77065374783.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 154130749562 in words is "one hundred fifty-four billion, one hundred thirty million, seven hundred forty-nine thousand, five hundred sixty-two".