161352254 has 32 divisors (see below), whose sum is σ = 284148480. Its totient is φ = 67277952.

The previous prime is 161352251. The next prime is 161352277. The reversal of 161352254 is 452253161.

161352254 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161352251) 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, 260357 + ... + 260975.

It is an arithmetic number, because the mean of its divisors is an integer number (8879640).

Almost surely, 2^161352254 is an apocalyptic number.

161352254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161352254 is a deficient number, since it is larger than the sum of its proper divisors (122796226).

161352254 is a wasteful number, since it uses less digits than its factorization.

161352254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its digits is 7200, while the sum is 29.

The square root of 161352254 is about 12702.4507084263. The cubic root of 161352254 is about 544.4086439908.

The spelling of 161352254 in words is "one hundred sixty-one million, three hundred fifty-two thousand, two hundred fifty-four".