144770802 has 32 divisors (see below), whose sum is σ = 316293120. Its totient is φ = 43810320.

The previous prime is 144770789. The next prime is 144770803. The reversal of 144770802 is 208077441.

It is a super-2 number, since 2×144770802² = 41917170223446408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (144770803) 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 15 ways as a sum of consecutive naturals, for example, 86223 + ... + 87885.

It is an arithmetic number, because the mean of its divisors is an integer number (9884160).

Almost surely, 2^144770802 is an apocalyptic number.

144770802 is an abundant number, since it is smaller than the sum of its proper divisors (171522318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144770802 is a wasteful number, since it uses less digits than its factorization.

144770802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 144770802 is about 12032.0738860763. The cubic root of 144770802 is about 525.0818339556.

The spelling of 144770802 in words is "one hundred forty-four million, seven hundred seventy thousand, eight hundred two".