145445304632226 has 64 divisors (see below), whose sum is σ = 297910373765760. Its totient is φ = 47324661096960.

The previous prime is 145445304632191. The next prime is 145445304632227. The reversal of 145445304632226 is 622236403544541.

It is a super-2 number, since 2×145445304632226² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145445304632227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44922385 + ... + 48051131.

It is an arithmetic number, because the mean of its divisors is an integer number (4654849590090).

Almost surely, 2^{145445304632226} is an apocalyptic number.

145445304632226 is an abundant number, since it is smaller than the sum of its proper divisors (152465069133534).

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

145445304632226 is a wasteful number, since it uses less digits than its factorization.

145445304632226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129779.

The product of its (nonzero) digits is 16588800, while the sum is 51.

The spelling of 145445304632226 in words is "one hundred forty-five trillion, four hundred forty-five billion, three hundred four million, six hundred thirty-two thousand, two hundred twenty-six".