145059290 has 8 divisors (see below), whose sum is σ = 261106740. Its totient is φ = 58023712.

The previous prime is 145059287. The next prime is 145059307. The reversal of 145059290 is 92950541.

It can be written as a sum of positive squares in 2 ways, for example, as 140161921 + 4897369 = 11839^2 + 2213^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 145059290.

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, 7252955 + ... + 7252974.

Almost surely, 2^145059290 is an apocalyptic number.

145059290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145059290 is a deficient number, since it is larger than the sum of its proper divisors (116047450).

145059290 is a wasteful number, since it uses less digits than its factorization.

145059290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14505936.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 145059290 is about 12044.0562104301. The cubic root of 145059290 is about 525.4303832906.

The spelling of 145059290 in words is "one hundred forty-five million, fifty-nine thousand, two hundred ninety".