151994090 has 8 divisors (see below), whose sum is σ = 273589380. Its totient is φ = 60797632.

The previous prime is 151994081. The next prime is 151994119. The reversal of 151994090 is 90499151.

It can be written as a sum of positive squares in 2 ways, for example, as 145709041 + 6285049 = 12071^2 + 2507^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7599695 + ... + 7599714.

Almost surely, 2^151994090 is an apocalyptic number.

151994090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151994090 is a deficient number, since it is larger than the sum of its proper divisors (121595290).

151994090 is a wasteful number, since it uses less digits than its factorization.

151994090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199416.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 151994090 is about 12328.5883214584. The cubic root of 151994090 is about 533.6734128768.

The spelling of 151994090 in words is "one hundred fifty-one million, nine hundred ninety-four thousand, ninety".