146449090 has 8 divisors (see below), whose sum is σ = 263608380. Its totient is φ = 58579632.

The previous prime is 146449087. The next prime is 146449103. The reversal of 146449090 is 90944641.

It can be written as a sum of positive squares in 2 ways, for example, as 132319009 + 14130081 = 11503^2 + 3759^2 .

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

It is a plaindrome in base 13.

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, 7322445 + ... + 7322464.

Almost surely, 2^146449090 is an apocalyptic number.

146449090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146449090 is a deficient number, since it is larger than the sum of its proper divisors (117159290).

146449090 is a wasteful number, since it uses less digits than its factorization.

146449090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14644916.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 146449090 is about 12101.6151814541. The cubic root of 146449090 is about 527.1030863395.

The spelling of 146449090 in words is "one hundred forty-six million, four hundred forty-nine thousand, ninety".