145247696 has 40 divisors (see below), whose sum is σ = 310078368. Its totient is φ = 65360000.

The previous prime is 145247693. The next prime is 145247699. The reversal of 145247696 is 696742541.

It is an interprime number because it is at equal distance from previous prime (145247693) and next prime (145247699).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145247693) 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, 13691 + ... + 21861.

Almost surely, 2^145247696 is an apocalyptic number.

145247696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145247696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155039184).

145247696 is an abundant number, since it is smaller than the sum of its proper divisors (164830672).

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

145247696 is a wasteful number, since it uses less digits than its factorization.

145247696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291 (or 8285 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 145247696 is about 12051.8752067884. The cubic root of 145247696 is about 525.6577648187.

The spelling of 145247696 in words is "one hundred forty-five million, two hundred forty-seven thousand, six hundred ninety-six".