152540645 has 8 divisors (see below), whose sum is σ = 192683040. Its totient is φ = 115609680.

The previous prime is 152540617. The next prime is 152540657. The reversal of 152540645 is 546045251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152540645 - 2¹⁴ = 152524261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802751 + ... + 802940.

It is an arithmetic number, because the mean of its divisors is an integer number (24085380).

Almost surely, 2^152540645 is an apocalyptic number.

It is an amenable number.

152540645 is a deficient number, since it is larger than the sum of its proper divisors (40142395).

152540645 is a wasteful number, since it uses less digits than its factorization.

152540645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605715.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 152540645 is about 12350.7345935373. The cubic root of 152540645 is about 534.3123257663.

Adding to 152540645 its reverse (546045251), we get a palindrome (698585896).

The spelling of 152540645 in words is "one hundred fifty-two million, five hundred forty thousand, six hundred forty-five".