154091485 has 16 divisors (see below), whose sum is σ = 197996400. Its totient is φ = 114712576.

The previous prime is 154091419. The next prime is 154091507. The reversal of 154091485 is 584190451.

It can be written as a sum of positive squares in 8 ways, for example, as 58564 + 154032921 = 242^2 + 12411^2 .

It is a cyclic number.

It is not a de Polignac number, because 154091485 - 2¹⁵ = 154058717 is a prime.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2620 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (12374775).

Almost surely, 2^154091485 is an apocalyptic number.

It is an amenable number.

154091485 is a deficient number, since it is larger than the sum of its proper divisors (43904915).

154091485 is a wasteful number, since it uses less digits than its factorization.

154091485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20480.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 154091485 is about 12413.3591344164. The cubic root of 154091485 is about 536.1169606739.

It can be divided in two parts, 1540 and 91485, that added together give a square (93025 = 305²).

The spelling of 154091485 in words is "one hundred fifty-four million, ninety-one thousand, four hundred eighty-five".