154142157429 has 48 divisors (see below), whose sum is σ = 252181762560. Its totient is φ = 90064690560.

The previous prime is 154142157391. The next prime is 154142157439. The reversal of 154142157429 is 924751241451.

It is a happy number.

154142157429 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 4 + 215 + 7 + 429 = 666.

It is not a de Polignac number, because 154142157429 - 2¹¹ = 154142155381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154142157439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208699 + ... + 593160.

It is an arithmetic number, because the mean of its divisors is an integer number (5253786720).

Almost surely, 2^154142157429 is an apocalyptic number.

It is an amenable number.

154142157429 is a deficient number, since it is larger than the sum of its proper divisors (98039605131).

154142157429 is a wasteful number, since it uses less digits than its factorization.

154142157429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801962 (or 801959 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The spelling of 154142157429 in words is "one hundred fifty-four billion, one hundred forty-two million, one hundred fifty-seven thousand, four hundred twenty-nine".