154141947 has 16 divisors (see below), whose sum is σ = 231180960. Its totient is φ = 102759840.

The previous prime is 154141921. The next prime is 154142011. The reversal of 154141947 is 749141451.

It is not a de Polignac number, because 154141947 - 2¹¹ = 154139899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154141747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33054 + ... + 37427.

It is an arithmetic number, because the mean of its divisors is an integer number (14448810).

Almost surely, 2^154141947 is an apocalyptic number.

154141947 is a deficient number, since it is larger than the sum of its proper divisors (77039013).

154141947 is an frugal number, since it uses more digits than its factorization.

154141947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70502 (or 70484 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 154141947 is about 12415.3915363149. The cubic root of 154141947 is about 536.1754769539.

The spelling of 154141947 in words is "one hundred fifty-four million, one hundred forty-one thousand, nine hundred forty-seven".