144370690 has 16 divisors (see below), whose sum is σ = 263528640. Its totient is φ = 56934640.

The previous prime is 144370687. The next prime is 144370693. The reversal of 144370690 is 96073441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144370687) and next prime (144370693).

It is a super-2 number, since 2×144370690² = 41685792262152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144370693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100960 + ... + 102379.

It is an arithmetic number, because the mean of its divisors is an integer number (16470540).

Almost surely, 2^144370690 is an apocalyptic number.

144370690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144370690 is a deficient number, since it is larger than the sum of its proper divisors (119157950).

144370690 is a wasteful number, since it uses less digits than its factorization.

144370690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203417.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 144370690 is about 12015.4354894028. The cubic root of 144370690 is about 524.5976539385.

The spelling of 144370690 in words is "one hundred forty-four million, three hundred seventy thousand, six hundred ninety".