400150245 has 32 divisors (see below), whose sum is σ = 713318400. Its totient is φ = 189880640.

The previous prime is 400150243. The next prime is 400150253. The reversal of 400150245 is 542051004.

It is not a de Polignac number, because 400150245 - 2¹ = 400150243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400150243) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18045 + ... + 33554.

It is an arithmetic number, because the mean of its divisors is an integer number (22291200).

Almost surely, 2^400150245 is an apocalyptic number.

It is an amenable number.

400150245 is a deficient number, since it is larger than the sum of its proper divisors (313168155).

400150245 is a wasteful number, since it uses less digits than its factorization.

400150245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51665.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 400150245 is about 20003.7557723544. The cubic root of 400150245 is about 736.8985393990.

The spelling of 400150245 in words is "four hundred million, one hundred fifty thousand, two hundred forty-five".