154742516 has 6 divisors (see below), whose sum is σ = 270799410. Its totient is φ = 77371256.

The previous prime is 154742513. The next prime is 154742531. The reversal of 154742516 is 615247451.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 28090000 = 11254^2 + 5300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154742513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19342811 + ... + 19342818.

It is an arithmetic number, because the mean of its divisors is an integer number (45133235).

Almost surely, 2^154742516 is an apocalyptic number.

It is an amenable number.

154742516 is a deficient number, since it is larger than the sum of its proper divisors (116056894).

154742516 is a wasteful number, since it uses less digits than its factorization.

154742516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38685633 (or 38685631 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 154742516 is about 12439.5544936304. The cubic root of 154742516 is about 536.8709248246.

Adding to 154742516 its reverse (615247451), we get a palindrome (769989967).

The spelling of 154742516 in words is "one hundred fifty-four million, seven hundred forty-two thousand, five hundred sixteen".