145654340 has 36 divisors (see below), whose sum is σ = 331220484. Its totient is φ = 53778816.

The previous prime is 145654339. The next prime is 145654343. The reversal of 145654340 is 43456541.

It can be written as a sum of positive squares in 6 ways, for example, as 41165056 + 104489284 = 6416^2 + 10222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145654297 and 145654306.

It is not an unprimeable number, because it can be changed into a prime (145654343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18167 + ... + 24926.

It is an arithmetic number, because the mean of its divisors is an integer number (9200569).

Almost surely, 2^145654340 is an apocalyptic number.

145654340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145654340 is an abundant number, since it is smaller than the sum of its proper divisors (185566144).

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

145654340 is a wasteful number, since it uses less digits than its factorization.

145654340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43128 (or 43113 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 145654340 is about 12068.7339849712. The cubic root of 145654340 is about 526.1478618754.

The spelling of 145654340 in words is "one hundred forty-five million, six hundred fifty-four thousand, three hundred forty".