145101723 has 16 divisors (see below), whose sum is σ = 208567296. Its totient is φ = 89200800.

The previous prime is 145101721. The next prime is 145101743. The reversal of 145101723 is 327101541.

It is not a de Polignac number, because 145101723 - 2¹ = 145101721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145101693 and 145101702.

It is not an unprimeable number, because it can be changed into a prime (145101721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73398 + ... + 75348.

It is an arithmetic number, because the mean of its divisors is an integer number (13035456).

Almost surely, 2^145101723 is an apocalyptic number.

145101723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145101723 is a deficient number, since it is larger than the sum of its proper divisors (63465573).

145101723 is a wasteful number, since it uses less digits than its factorization.

145101723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 145101723 is about 12045.8176559335. The cubic root of 145101723 is about 525.4816115707.

The spelling of 145101723 in words is "one hundred forty-five million, one hundred one thousand, seven hundred twenty-three".